Bug fix for the case of perfectly orthogonal pairs
git-svn-id: https://www.dynare.org/svn/dynare/trunk@2994 ac1d8469-bf42-47a9-8791-bf33cf982152time-shift
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@ -31,7 +31,11 @@ X = H(:,2:end);
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% X = H(:,2:end);
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% X = H(:,2:end);
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yhat = X*(X\y);
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yhat = X*(X\y);
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co = y'*yhat/sqrt((y'*y)*(yhat'*yhat));
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if rank(yhat),
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co = y'*yhat/sqrt((y'*y)*(yhat'*yhat));
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else
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co=0;
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end
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